Why This Skill Matters in an Emergency or Survival Situation

Disinfecting water is crucial in survival scenarios, especially during an Ebola outbreak. Ebola is highly contagious and can spread through contaminated water sources. Bleach and calcium hypochlorite are effective disinfectants that can kill viruses, bacteria, and other pathogens in water. They are also relatively easy to store and use compared to other disinfection methods.

What You Need

  • Bleach (sodium hypochlorite) – Ensure it’s not scented and has a concentration of 5.25% to 6.15%
  • Calcium hypochlorite – Available in powder or tablet form
  • Clean containers for storing treated water
  • Measuring spoons or cups
  • Stirring stick or spoon
  • Protective gloves and goggles
  • Water source to be treated

Step-by-Step Instructions or Key Techniques

Using Bleach

  1. Measure 8 drops of bleach per gallon of water. For larger quantities, use 1/2 teaspoon of bleach per 5 gallons of water.
  2. Stir the water thoroughly and let it sit for at least 30 minutes before drinking.
  3. If the water is cloudy or has a strong odor, double the amount of bleach.
  4. If the water does not smell slightly of chlorine after 30 minutes, repeat the process.

Using Calcium Hypochlorite

  1. Dissolve 1/2 teaspoon of calcium hypochlorite powder in 2.5 gallons of water. This solution can be used to treat up to 50 gallons of water.
  2. Add 1/2 cup of this solution to each gallon of water to be treated.
  3. Stir the water and let it sit for at least 30 minutes before drinking.
  4. If the water is cloudy or has a strong odor, double the amount of solution.

Common Mistakes and How to Avoid Them

  • Incorrect Dosage: Always measure carefully. Too little bleach or calcium hypochlorite may not kill all pathogens, while too much can make the water unsafe to drink.
  • Insufficient Contact Time: Ensure the water sits for at least 30 minutes to allow the disinfectant to work effectively.
  • Contaminated Containers: Use clean containers to store treated water. Any residual contamination can negate the disinfection process.

Variations, Tips, or Related Techniques Worth Knowing

  • Storage: Store bleach and calcium hypochlorite in a cool, dry place away from direct sunlight. Bleach can lose its potency over time, so replace it every six months.
  • Emergency Preparedness: Always have a backup plan for water treatment. Boiling water is another effective method but requires fuel and time.
  • Personal Safety: Wear protective gloves and goggles when handling bleach and calcium hypochlorite to avoid skin and eye irritation.

TLDR

Disinfect water using bleach or calcium hypochlorite to prevent the spread of Ebola and other pathogens. Measure carefully, follow instructions, and store treated water safely.

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